"-či" meaning in Slovene

{
  "etymology_templates": [
    {
      "args": {
        "1": "sl",
        "2": "sla-pro",
        "3": "*-ťi"
      },
      "expansion": "Proto-Slavic *-ťi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-ťi.",
  "head_templates": [
    {
      "args": {
        "1": "sl",
        "2": "suffix",
        "cat2": "inflectional suffixes"
      },
      "expansion": "-či",
      "name": "head"
    }
  ],
  "lang": "Slovene",
  "lang_code": "sl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Slovene entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "the infinitive ending -ti"
        },
        {
          "word": "used with root-stem verbs whose stem ends in -k or -g"
        }
      ],
      "glosses": [
        "Form of the infinitive ending -ti, used with root-stem verbs whose stem ends in -k or -g."
      ],
      "id": "en--či-sl-suffix-OIssAtVS",
      "links": [
        [
          "-ti",
          "-ti#Slovene"
        ]
      ],
      "tags": [
        "form-of",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/-t͡ʃi/"
    }
  ],
  "word": "-či"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sl",
        "2": "sla-pro",
        "3": "*-ťi"
      },
      "expansion": "Proto-Slavic *-ťi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-ťi.",
  "head_templates": [
    {
      "args": {
        "1": "sl",
        "2": "suffix",
        "cat2": "inflectional suffixes"
      },
      "expansion": "-či",
      "name": "head"
    }
  ],
  "lang": "Slovene",
  "lang_code": "sl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Slovene entries with incorrect language header",
        "Slovene inflectional suffixes",
        "Slovene lemmas",
        "Slovene suffixes",
        "Slovene terms derived from Proto-Slavic",
        "Slovene terms inherited from Proto-Slavic",
        "Slovene terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "the infinitive ending -ti"
        },
        {
          "word": "used with root-stem verbs whose stem ends in -k or -g"
        }
      ],
      "glosses": [
        "Form of the infinitive ending -ti, used with root-stem verbs whose stem ends in -k or -g."
      ],
      "links": [
        [
          "-ti",
          "-ti#Slovene"
        ]
      ],
      "tags": [
        "form-of",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/-t͡ʃi/"
    }
  ],
  "word": "-či"
}